CVE-2026-55518

Avo is a framework to create admin panels for Ruby on Rails apps. Prior to 3.32.1 and 4.0.0.beta.51, Avo's association attach workflow checks attach? in the UI and GET /resources/:resource/:id/:related/new path, but the actual write endpoint, POST /resources/:resource/:id/:related, does not run t...

CVE-2026-55518

Avo (Ruby on Rails) suffers a server-side authorization gap in the association attach endpoint. Prior to 3.32.1 and 4.0.0.beta.51, the UI checks attach_? and GET /resources/:resource/:id/:related/new, but POST /resources/:resource/:id/:related (Avo::AssociationsController#create) does not enforce...

CVE-2026-55518 Avo: Missing Authorization in Avo Association Attach Endpoint Allows Unauthorized Relationship Manipulation and Privilege Escalation

Avo is a framework to create admin panels for Ruby on Rails apps. Prior to 3.32.1 and 4.0.0.beta.51, Avo's association attach workflow checks attach? in the UI and GET /resources/:resource/:id/:related/new path, but the actual write endpoint, POST /resources/:resource/:id/:related, does not run t...

CVE-2026-55518 Avo: Missing Authorization in Avo Association Attach Endpoint Allows Unauthorized Relationship Manipulation and Privilege Escalation

Avo is a framework to create admin panels for Ruby on Rails apps. Prior to 3.32.1 and 4.0.0.beta.51, Avo's association attach workflow checks attach? in the UI and GET /resources/:resource/:id/:related/new path, but the actual write endpoint, POST /resources/:resource/:id/:related, does not run t...

CVE-2026-42205

Avo is a framework to create admin panels for Ruby on Rails apps. Prior to version 3.31.2, a broken access control vulnerability was identified in the ActionsController of the Avo framework. Due to insecure action lookup logic, an authenticated user can execute any Action class descendants of...

CVE-2026-42205

Avo is a framework to create admin panels for Ruby on Rails apps. Prior to version 3.31.2, a broken access control vulnerability was identified in the ActionsController of the Avo framework. Due to insecure action lookup logic, an authenticated user can execute any Action class descendants of...

CVE-2026-42205 Avo: Broken Access Control: Unauthorized Execution of Arbitrary Action Classes Across Resources

Avo is a framework to create admin panels for Ruby on Rails apps. Prior to version 3.31.2, a broken access control vulnerability was identified in the ActionsController of the Avo framework. Due to insecure action lookup logic, an authenticated user can execute any Action class descendants of...

CVE-2026-42205 Avo: Broken Access Control: Unauthorized Execution of Arbitrary Action Classes Across Resources

Avo is a framework to create admin panels for Ruby on Rails apps. Prior to version 3.31.2, a broken access control vulnerability was identified in the ActionsController of the Avo framework. Due to insecure action lookup logic, an authenticated user can execute any Action class descendants of...

EUVD-2026-28836

Avo is a framework to create admin panels for Ruby on Rails apps. Prior to version 3.31.2, a broken access control vulnerability was identified in the ActionsController of the Avo framework. Due to insecure action lookup logic, an authenticated user can execute any Action class descendants of...

CVE-2026-42205

Avo is a framework to create admin panels for Ruby on Rails apps. Prior to version 3.31.2, a broken access control vulnerability was identified in the ActionsController of the Avo framework. Due to insecure action lookup logic, an authenticated user can execute any Action class descendants of...

CVE-2026-42205 Avo: Broken Access Control: Unauthorized Execution of Arbitrary Action Classes Across Resources

Avo is a framework to create admin panels for Ruby on Rails apps. Prior to version 3.31.2, a broken access control vulnerability was identified in the ActionsController of the Avo framework. Due to insecure action lookup logic, an authenticated user can execute any Action class descendants of...

CVE-2026-42205

CVE-2026-42205 (Avo) affects the Avo framework for Ruby on Rails. The issue resides in the ActionsController’s insecure action lookup, which can ignore resource context and let an authenticated user execute any action class (descendants of Avo::BaseAction) on any resource. This creates privilege ...

GHSA-QC5P-3MG5-9FH8 Avo: Broken Access Control Through Unauthorized Execution of Arbitrary Action Classes Across Resources

Summary A critical Broken Access Control vulnerability was identified in the ActionsController of the Avo framework v3.x. Due to insecure action lookup logic, an authenticated user can execute any Action class descendants of Avo::BaseAction on any resource, even if the action is not registered fo...

Avo: Broken Access Control Through Unauthorized Execution of Arbitrary Action Classes Across Resources

Summary A critical Broken Access Control vulnerability was identified in the ActionsController of the Avo framework v3.x. Due to insecure action lookup logic, an authenticated user can execute any Action class descendants of Avo::BaseAction on any resource, even if the action is not registered fo...

Broken Access Control Through Unauthorized Execution of Arbitrary Action Classes Across Resources

Summary A critical Broken Access Control vulnerability was identified in the ActionsController of the Avo framework v3.x. Due to insecure action lookup logic, an authenticated user can execute any Action class descendants of Avo::BaseAction on any resource, even if the action is not registered fo...

CVE-2026-33209

Avo is a framework to create admin panels for Ruby on Rails apps. Prior to version 3.30.3, a reflected cross-site scripting XSS vulnerability exists in the returnto query parameter used in the avo interface. An attacker can craft a malicious URL that injects arbitrary JavaScript, which is execute...

CVE-2026-33209

Avo is a framework to create admin panels for Ruby on Rails apps. Prior to version 3.30.3, a reflected cross-site scripting XSS vulnerability exists in the returnto query parameter used in the avo interface. An attacker can craft a malicious URL that injects arbitrary JavaScript, which is execute...

CVE-2026-33209

Avo is a framework to create admin panels for Ruby on Rails apps. Prior to version 3.30.3, a reflected cross-site scripting XSS vulnerability exists in the returnto query parameter used in the avo interface. An attacker can craft a malicious URL that injects arbitrary JavaScript, which is execute...

CVE-2026-33209 Avo has a XSS vulnerability on `return_to` param

Avo is a framework to create admin panels for Ruby on Rails apps. Prior to version 3.30.3, a reflected cross-site scripting XSS vulnerability exists in the returnto query parameter used in the avo interface. An attacker can craft a malicious URL that injects arbitrary JavaScript, which is execute...

CVE-2026-33209

CVE-2026-33209 affects the Avo framework for Ruby on Rails. Before version 3.30.3, a reflected XSS vulnerability exists in the return_to query parameter of the Avo interface, allowing an attacker to craft a URL that injects arbitrary JavaScript executed when a dynamically generated navigation but...